Hello,I'm Shantal and I'm a moderator for this topic.I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.I was checking to see if you had already found your answer or if you still need assistance from one of the Professionals.Please let me know if you wish to continue waiting or if you would like for us to close your question?Thank you,Shantal

Hello Martin,Thank you for getting back to me. We have Professionals online all the time, unfortunately they may not have the experience needed to assist you. We will continue to look for a Professional to assist you.However, should you wish to close your question and reverse your charges at any time please let me know.Thank you for your patience,Shantal

Please check if the interior lights switch on and off when driver's door is operated. If one of the doors is not closed for the electronics- central locking will not work properly. Unclosed doors will also show up as constantly lit interior lights in door operated light mode.Possibly, the driver's door lock was not properly installed or it's electrical plugs were not connected.The actual status of can also be checked with Star Diagnosis computer- some independent MB shops have it besides the dealers. best regards,Stan

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